Electrical Diagram, Circuit Diagram | Hobart 125 EZ, H-9B guide

SECTION 7 − ELECTRICAL DIAGRAM

230 951-A

Figure 7-1. Circuit Diagram

OM-923 Page 25

Image 29

Hobart 125 EZ, H-9B manual Electrical Diagram, Circuit Diagram

Contents

Processes OM-923Description File Flux Cored Fcaw From Hobart to You Table of Contents Warranty Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can kill Welding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or kill California Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux Incendie ou une explosion LE Soudage peut provoquer unDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures graves LA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessures En ce qui concerne les stimulateurs cardiaques Principales normes de sécurité Duty Cycle And Overheating − SpecificationsSpecifications Volt-Ampere Curves Installing Work Clamp − InstallationProcess/Polarity Table Polarity Installing 4 in 102 mm Wire Spool Installing Wire Spool And Adjusting Hub Tension Do not move or operate unit where it could tip Turn off welding power source Installing Contact Tip And Nozzle Input Power Threading Welding Wire Controls − Operation Operating The Gun Routine Maintenance − Maintenance &TROUBLESHOOTINGOverload Protection Drive Motor Protection Slide replacement wire guide into Changing Drive Roll Or Wire Inlet Guide Replacing Gun Contact Tip Cleaning Gun Liner Replacing Gun Liner End of wire at spool 13/16 in 21 mm Does not run Troubleshooting TableTrouble Remedy Circuit Diagram − Electrical Diagram Typical Fcaw Process Connections − Wire Welding Guidelines Wire Size Amperage Range Typical Control SettingsThickness to Amperage a Amperage Holding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective Actions Troubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Distortion Troubleshooting − Waviness Of BeadTroubleshooting Guide For Semiautomatic Welding Equipment Wire does not feed Main Assembly − Parts List Dia Part Description Quantity Pkg 225 209 Wire Drive AssemblyPage Assistance ServiceSupport Hobart Welding Products Contact your Distributor for